Allen Street - CF45 4BB
Key Postcode Insights
CF45 4BB is a residential postcode situated on Allen Street, Mountain Ash, CF45 with 31 addresses.
It ranks as the 548th largest and 495th most expensive of the 758 postcodes in the CF45 area. The most common property type is a period house built between 1800 and 1911.
The postcode contains a total of 31 properties: 20 houses and 11 other properties.
- Ave. Sale Price
- £180,738
- 10 Year change
- up 69.1%
- Ave. Rental Price
- £952pcm
- 10 Year change
- up 66.1%
- Ave. £ per ft²
- £182/ft²
- Ave. Gross Yield
- 6.3%/year/yr
Key Postcode Insights
CF45 4BB is a residential postcode situated on Allen Street, Mountain Ash, CF45 with 31 addresses.
It ranks as the 548th largest and 495th most expensive of the 758 postcodes in the CF45 area. The most common property type is a period house built between 1800 and 1911.
The postcode contains a total of 31 properties: 20 houses and 11 other properties.
- Ave. Sale Price
- £180,738
- 10 Year change
- up 69.1%
- Ave. Rental Price
- £952pcm
- 10 Year change
- up 66.1%
- Ave. £ per ft²
- £182/ft²
- Ave. Gross Yield
- 6.3%/year/yr
Explore Properties in CF45 4BB
- Rhiwport Villa
House
- Ty Cerrig
3 Bed Period House
- 35 Allen Street
House
- 36 Allen Street
3 Bed Period House
- 37 Allen Street
3 Bed Period House
Sales Market Trends
The last sale in CF45 4BB sold for £189,998 on 9th March 2026. Since then prices are up an average of 2.1%.
The current average value in the postcode is £180,738.
The CF45 4BB Sales Market has increased by 69.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3% | £180,738 |
| June 2025 | 4.1% | £175,440 |
| June 2024 | 2.3% | £168,567 |
| June 2023 | -0.6% | £164,723 |
| June 2022 | 17.4% | £165,696 |
| June 2021 | 11.3% | £141,160 |
| June 2020 | 6.5% | £126,773 |
| June 2019 | 4.8% | £118,991 |
| June 2018 | 2.2% | £113,576 |
| June 2017 | 3.9% | £111,097 |
| June 2016 | 2.8% | £106,882 |
| June 2015 | 2.7% | £103,947 |
| June 2014 | 2.7% | £101,234 |
| June 2013 | -1.8% | £98,619 |
| June 2012 | -1% | £100,431 |
| June 2011 | -0.3% | £101,467 |
| June 2010 | 3.4% | £101,804 |
| June 2009 | -9.2% | £98,451 |
| June 2008 | -2.2% | £108,466 |
| June 2007 | 0% | £110,916 |
Rental Market Trends
The current average rental value in the postcode is £952.
The CF45 4BB Rental Market has increased by 66.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 1.9% | £952pcm |
| June 2025 | 3.6% | £934pcm |
| June 2024 | 6.2% | £902pcm |
| June 2023 | 9.5% | £849pcm |
| June 2022 | 13% | £776pcm |
| June 2021 | 7.7% | £687pcm |
| June 2020 | 3.3% | £637pcm |
| June 2019 | 2.2% | £617pcm |
| June 2018 | 2.6% | £604pcm |
| June 2017 | 2.7% | £589pcm |
| June 2016 | 3.3% | £573pcm |
| June 2015 | 1.2% | £555pcm |
| June 2014 | 1.3% | £548pcm |
| June 2013 | 0.2% | £541pcm |
| June 2012 | 0.6% | £540pcm |
| June 2011 | 3.6% | £537pcm |
| June 2010 | 3.6% | £518pcm |
| June 2009 | -2.7% | £500pcm |
| June 2008 | -0.1% | £514pcm |
| June 2007 | 0% | £514pcm |
Sales History
The last recorded sale was on 9th March 2026 for £189,998 and since then the market in the area has increased by 2.1%.
CF45 4BB has had 3 sales since 1995, with 3 in the last three years and 1 in the last twelve months.
- Sold Mar 2026£189,998 | 3 Bed House59, Allen Street, Mountain Ash, CF45 4BB59, Allen Street, Mountain Ash, CF45 4BB
- Sold Sep 2024£85,000 | 3 Bed House42, Allen Street, Mountain Ash, CF45 4BB42, Allen Street, Mountain Ash, CF45 4BB
- Sold Aug 2023£115,000 | 3 Bed House47, Allen Street, Mountain Ash, CF45 4BB47, Allen Street, Mountain Ash, CF45 4BB
Nearby Postcodes
CF45 4BB is the 548th largest and the 495th most expensive postcode out of the 758 postcodes in the CF45 area.
- CF45 4BG, Phillip Street, Mountain Ash, CF45CF45 4BG55 Addresses|51 m away
- CF45 4AU, Lewis Street, Mountain Ash, CF45CF45 4AU9 Addresses|68 m away
- CF45 4AS, Copley Street, Mountain Ash, CF45CF45 4AS28 Addresses|69 m away
- CF45 4AY, Lewis Street, Mountain Ash, CF45CF45 4AY2 Addresses|87 m away
- CF45 4AT, Aberffrwd Road, Mountain Ash, CF45CF45 4AT1 Address|100 m away
Property Types
- 18 period houses built between 1800 and 1911
- 2 houses of an unknown age
- 11 other addresses of unknown type
- period house (18)
- house (2)
- Unknown (11)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys have been conducted for 18 properties.
- The most common rating is D.
- A (0)
- E (4)
- B (0)
- F (1)
- C (2)
- G (0)
- D (11)
- No EPC (13)
Top 3 Most Expensive Sales
- Sold Dec 2021£215,000 | 4 Bed House57, Allen Street, Mountain Ash, CF45 4BB57, Allen Street, Mountain Ash, CF45 4BB
- Sold Sep 2022£193,000 | 4 Bed House63, Allen Street, Mountain Ash, CF45 4BB63, Allen Street, Mountain Ash, CF45 4BB
- Sold Mar 2026£189,998 | 3 Bed House59, Allen Street, Mountain Ash, CF45 4BB59, Allen Street, Mountain Ash, CF45 4BB
Schools Nearby
Public Transport Nearby
The closest station to CF45 4BB is Mountain Ash station, which is 500 metres away.
- Mountain Ash|500 m away
- Fernhill|1.3 km away
- Penrhiwceiber|2.1 km away
- Merthyr Vale|2.8 km away